source: LMDZ5/branches/testing/libf/phylmd/readaerosol.F90 @ 2435

Last change on this file since 2435 was 2408, checked in by Laurent Fairhead, 9 years ago

Merged trunk changes r2298:2396 into testing branch

  • Property copyright set to
    Name of program: LMDZ
    Creation date: 1984
    Version: LMDZ5
    License: CeCILL version 2
    Holder: Laboratoire de m\'et\'eorologie dynamique, CNRS, UMR 8539
    See the license file in the root directory
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 24.7 KB
RevLine 
[1179]1! $Id: readaerosol.F90 2408 2015-12-14 10:43:09Z fairhead $
[524]2!
[1179]3MODULE readaerosol_mod
4
5  REAL, SAVE :: not_valid=-333.
6
7CONTAINS
8
[1492]9SUBROUTINE readaerosol(name_aero, type, filename, iyr_in, klev_src, pt_ap, pt_b, pt_out, psurf, load)
[1179]10
11!****************************************************************************************
12! This routine will read the aersosol from file.
[524]13!
[1179]14! Read a year data with get_aero_fromfile depending on aer_type :
15! - actuel   : read year 1980
16! - preind   : read natural data
17! - scenario : read one or two years and do eventually linare time interpolation
[1150]18!
[1179]19! Return pointer, pt_out, to the year read or result from interpolation
20!****************************************************************************************
21  USE dimphy
[2408]22  USE print_control_mod, ONLY: lunout
[524]23
[1179]24  IMPLICIT NONE
[766]25
[1179]26  ! Input arguments
27  CHARACTER(len=7), INTENT(IN) :: name_aero
[1492]28  CHARACTER(len=*), INTENT(IN) :: type  ! actuel, annuel, scenario or preind
29  CHARACTER(len=8), INTENT(IN) :: filename
[1179]30  INTEGER, INTENT(IN)          :: iyr_in
[1150]31
[1179]32  ! Output
33  INTEGER, INTENT(OUT)            :: klev_src
34  REAL, POINTER, DIMENSION(:)     :: pt_ap        ! Pointer for describing the vertical levels     
35  REAL, POINTER, DIMENSION(:)     :: pt_b         ! Pointer for describing the vertical levels     
[1270]36  REAL, POINTER, DIMENSION(:,:,:) :: pt_out       ! The massvar distributions, DIMENSION(klon, klev_src, 12)
37  REAL, DIMENSION(klon,12), INTENT(OUT) :: psurf  ! Surface pression for 12 months
38  REAL, DIMENSION(klon,12), INTENT(OUT) :: load   ! Aerosol mass load in each column for 12 months
[1150]39
[1179]40  ! Local variables
[1270]41  CHARACTER(len=4)                :: cyear
42  REAL, POINTER, DIMENSION(:,:,:) :: pt_2
43  REAL, DIMENSION(klon,12)        :: psurf2, load2
44  REAL                            :: p0           ! Reference pressure
45  INTEGER                         :: iyr1, iyr2, klev_src2
46  INTEGER                         :: it, k, i
47  LOGICAL, PARAMETER              :: lonlyone=.FALSE.
[1150]48
[1179]49!****************************************************************************************
50! Read data depending on aer_type
51!
52!****************************************************************************************
[524]53
[1179]54  IF (type == 'actuel') THEN
55! Read and return data for year 1980
56!****************************************************************************************
57     cyear='1980'
[1270]58     ! get_aero_fromfile returns pt_out allocated and initialized with data for 12 month
59     ! pt_out has dimensions (klon, klev_src, 12)
[1492]60     CALL get_aero_fromfile(name_aero, cyear, filename, klev_src, pt_ap, pt_b, p0, pt_out, psurf, load)
[1179]61     
[640]62
[1179]63  ELSE IF (type == 'preind') THEN
64! Read and return data from file with suffix .nat
65!****************************************************************************************     
66     cyear='.nat'
[1270]67     ! get_aero_fromfile returns pt_out allocated and initialized with data for 12 month
68     ! pt_out has dimensions (klon, klev_src, 12)
[1492]69     CALL get_aero_fromfile(name_aero, cyear, filename, klev_src, pt_ap, pt_b, p0, pt_out, psurf, load)
[1179]70     
[1321]71  ELSE IF (type == 'annuel') THEN
72! Read and return data from scenario annual files
73!****************************************************************************************     
74     WRITE(cyear,'(I4)') iyr_in
75     WRITE(lunout,*) 'get_aero 3 iyr_in=', iyr_in,'   ',cyear
76     ! get_aero_fromfile returns pt_out allocated and initialized with data for nbr_tsteps month
77     ! pt_out has dimensions (klon, klev_src, 12)
[1492]78     CALL get_aero_fromfile(name_aero, cyear, filename, klev_src, pt_ap, pt_b, p0, pt_out, psurf, load)
[1321]79     
[1179]80  ELSE IF (type == 'scenario') THEN
81! Read data depending on actual year and interpolate if necessary
82!****************************************************************************************
83     IF (iyr_in .LT. 1850) THEN
84        cyear='.nat'
85        WRITE(lunout,*) 'get_aero 1 iyr_in=', iyr_in,'   ',cyear
[1270]86        ! get_aero_fromfile returns pt_out allocated and initialized with data for 12 month
87        ! pt_out has dimensions (klon, klev_src, 12)
[1492]88        CALL get_aero_fromfile(name_aero, cyear, filename, klev_src, pt_ap, pt_b, p0, pt_out, psurf, load)
[1179]89       
90     ELSE IF (iyr_in .GE. 2100) THEN
91        cyear='2100'
92        WRITE(lunout,*) 'get_aero 2 iyr_in=', iyr_in,'   ',cyear
[1270]93        ! get_aero_fromfile returns pt_out allocated and initialized with data for 12 month
94        ! pt_out has dimensions (klon, klev_src, 12)
[1492]95        CALL get_aero_fromfile(name_aero, cyear, filename, klev_src, pt_ap, pt_b, p0, pt_out, psurf, load)
[1179]96       
97     ELSE
98        ! Read data from 2 decades and interpolate to actual year
99        ! a) from actual 10-yr-period
100        IF (iyr_in.LT.1900) THEN
101           iyr1 = 1850
102           iyr2 = 1900
103        ELSE IF (iyr_in.GE.1900.AND.iyr_in.LT.1920) THEN
104           iyr1 = 1900
105           iyr2 = 1920
106        ELSE
107           iyr1 = INT(iyr_in/10)*10
108           iyr2 = INT(1+iyr_in/10)*10
109        ENDIF
110       
111        WRITE(cyear,'(I4)') iyr1
112        WRITE(lunout,*) 'get_aero 3 iyr_in=', iyr_in,'   ',cyear
[1270]113        ! get_aero_fromfile returns pt_out allocated and initialized with data for 12 month
114        ! pt_out has dimensions (klon, klev_src, 12)
[1492]115        CALL get_aero_fromfile(name_aero, cyear, filename, klev_src, pt_ap, pt_b, p0, pt_out, psurf, load)
[1179]116       
117        ! If to read two decades:
118        IF (.NOT.lonlyone) THEN
119           
120           ! b) from the next following one
121           WRITE(cyear,'(I4)') iyr2
122           WRITE(lunout,*) 'get_aero 4 iyr_in=', iyr_in,'   ',cyear
123           
124           NULLIFY(pt_2)
[1270]125           ! get_aero_fromfile returns pt_2 allocated and initialized with data for 12 month
126           ! pt_2 has dimensions (klon, klev_src, 12)
[1492]127           CALL get_aero_fromfile(name_aero, cyear, filename, klev_src2, pt_ap, pt_b, p0, pt_2, psurf2, load2)
[1179]128           ! Test for same number of vertical levels
129           IF (klev_src /= klev_src2) THEN
130              WRITE(lunout,*) 'Two aerosols files with different number of vertical levels is not allowded'
[2408]131              CALL abort_physic('readaersosol','Error in number of vertical levels',1)
[1179]132           END IF
133           
134           ! Linare interpolate to the actual year:
[1270]135           DO it=1,12
[1179]136              DO k=1,klev_src
137                 DO i = 1, klon
138                    pt_out(i,k,it) = &
[1403]139                         pt_out(i,k,it) - REAL(iyr_in-iyr1)/REAL(iyr2-iyr1) * &
[1179]140                         (pt_out(i,k,it) - pt_2(i,k,it))
141                 END DO
142              END DO
[1143]143
[1179]144              DO i = 1, klon
[1270]145                 psurf(i,it) = &
[1403]146                      psurf(i,it) - REAL(iyr_in-iyr1)/REAL(iyr2-iyr1) * &
[1270]147                      (psurf(i,it) - psurf2(i,it))
[640]148
[1270]149                 load(i,it) = &
[1403]150                      load(i,it) - REAL(iyr_in-iyr1)/REAL(iyr2-iyr1) * &
[1270]151                      (load(i,it) - load2(i,it))
[1179]152              END DO
153           END DO
[524]154
[1179]155           ! Deallocate pt_2 no more needed
156           DEALLOCATE(pt_2)
157           
158        END IF ! lonlyone
159     END IF ! iyr_in .LT. 1850
[524]160
[1179]161  ELSE
[1492]162     WRITE(lunout,*)'This option is not implemented : aer_type = ', type,' name_aero=',name_aero
[2408]163     CALL abort_physic('readaerosol','Error : aer_type parameter not accepted',1)
[1179]164  END IF ! type
[640]165
[1151]166
[1179]167END SUBROUTINE readaerosol
[1143]168
169
[1492]170  SUBROUTINE get_aero_fromfile(varname, cyr, filename, klev_src, pt_ap, pt_b, p0, pt_year, psurf_out, load_out)
[1179]171!****************************************************************************************
[1270]172! Read 12 month aerosol from file and distribute to local process on physical grid.
[1179]173! Vertical levels, klev_src, may differ from model levels if new file format.
174!
175! For mpi_root and master thread :
176! 1) Open file
177! 2) Find vertical dimension klev_src
178! 3) Read field month by month
179! 4) Close file 
[2408]180! 5) Transform the global field from 2D(nbp_lon,nbp_lat) to 1D(klon_glo)
[1179]181!     - Also the levels and the latitudes have to be inversed
182!
183! For all processes and threads :
184! 6) Scatter global field(klon_glo) to local process domain(klon)
185! 7) Test for negative values
186!****************************************************************************************
[1150]187
[1179]188    USE netcdf
189    USE dimphy
[2408]190    USE mod_grid_phy_lmdz, ONLY: nbp_lon, nbp_lat, klon_glo, &
191                                 grid2Dto1D_glo
[1179]192    USE mod_phys_lmdz_para
[1183]193    USE iophy, ONLY : io_lon, io_lat
[2408]194    USE print_control_mod, ONLY: lunout
[1179]195
196    IMPLICIT NONE
[524]197     
[1179]198! Input argumets
199    CHARACTER(len=7), INTENT(IN)          :: varname
200    CHARACTER(len=4), INTENT(IN)          :: cyr
[1492]201    CHARACTER(len=8), INTENT(IN)          :: filename
[1150]202
[1179]203! Output arguments
204    INTEGER, INTENT(OUT)                  :: klev_src     ! Number of vertical levels in file
205    REAL, POINTER, DIMENSION(:)           :: pt_ap        ! Pointer for describing the vertical levels     
206    REAL, POINTER, DIMENSION(:)           :: pt_b         ! Pointer for describing the vertical levels     
207    REAL                                  :: p0           ! Reference pressure value
[1270]208    REAL, POINTER, DIMENSION(:,:,:)       :: pt_year      ! Pointer-variabale from file, 12 month, grid : klon,klev_src
209    REAL, DIMENSION(klon,12), INTENT(OUT) :: psurf_out    ! Surface pression for 12 months
210    REAL, DIMENSION(klon,12), INTENT(OUT) :: load_out     ! Aerosol mass load in each column
[1319]211    INTEGER                               :: nbr_tsteps   ! number of month in file read
[1150]212
[1179]213! Local variables
214    CHARACTER(len=30)     :: fname
215    CHARACTER(len=30)     :: cvar
216    INTEGER               :: ncid, dimid, varid
217    INTEGER               :: imth, i, j, k, ierr
218    REAL                  :: npole, spole
219    REAL, ALLOCATABLE, DIMENSION(:,:,:)   :: varmth
[1270]220    REAL, ALLOCATABLE, DIMENSION(:,:,:,:) :: varyear       ! Global variable read from file, 12 month
221    REAL, ALLOCATABLE, DIMENSION(:,:,:)   :: varyear_glo1D !(klon_glo, klev_src, 12)
[1179]222    REAL, ALLOCATABLE, DIMENSION(:)       :: varktmp
[524]223
[2408]224    REAL, DIMENSION(nbp_lon,nbp_lat,12)         :: psurf_glo2D   ! Surface pression for 12 months on dynamics global grid
[1270]225    REAL, DIMENSION(klon_glo,12)          :: psurf_glo1D   ! -"- on physical global grid
[2408]226    REAL, DIMENSION(nbp_lon,nbp_lat,12)         :: load_glo2D    ! Load for 12 months on dynamics global grid
[1270]227    REAL, DIMENSION(klon_glo,12)          :: load_glo1D    ! -"- on physical global grid
[2408]228    REAL, DIMENSION(nbp_lon,nbp_lat)            :: vartmp
229    REAL, DIMENSION(nbp_lon)                  :: lon_src              ! longitudes in file
230    REAL, DIMENSION(nbp_lat)                :: lat_src, lat_src_inv ! latitudes in file
[1183]231    LOGICAL                               :: new_file             ! true if new file format detected
232    LOGICAL                               :: invert_lat           ! true if the field has to be inverted for latitudes
[766]233
[524]234
[1179]235    ! Deallocate pointers
236    IF (ASSOCIATED(pt_ap)) DEALLOCATE(pt_ap)
237    IF (ASSOCIATED(pt_b))  DEALLOCATE(pt_b)
[766]238
[1249]239    IF (is_mpi_root .AND. is_omp_root) THEN
[524]240
[1179]241! 1) Open file
242!****************************************************************************************
[1492]243! Add suffix to filename
244       fname = trim(filename)//cyr//'.nc'
[1150]245 
[1492]246       WRITE(lunout,*) 'reading variable ',TRIM(varname),' in file ', TRIM(fname)
[1665]247       CALL check_err( nf90_open(TRIM(fname), NF90_NOWRITE, ncid), "pb open "//trim(varname) )
[1150]248
[1183]249! Test for equal longitudes and latitudes in file and model
250!****************************************************************************************
251       ! Read and test longitudes
[1665]252       CALL check_err( nf90_inq_varid(ncid, 'lon', varid),"pb inq lon" )
253       CALL check_err( nf90_get_var(ncid, varid, lon_src(:)),"pb get lon" )
[1183]254       
[1202]255       IF (maxval(ABS(lon_src - io_lon)) > 0.001) THEN
[1183]256          WRITE(lunout,*) 'Problem in longitudes read from file : ',TRIM(fname)
257          WRITE(lunout,*) 'longitudes in file ', TRIM(fname),' : ', lon_src
258          WRITE(lunout,*) 'longitudes in model :', io_lon
259         
[2408]260          CALL abort_physic('get_aero_fromfile', 'longitudes are not the same in file and model',1)
[1183]261       END IF
262
263       ! Read and test latitudes
[1665]264       CALL check_err( nf90_inq_varid(ncid, 'lat', varid),"pb inq lat" )
265       CALL check_err( nf90_get_var(ncid, varid, lat_src(:)),"pb get lat" )
[1183]266
267       ! Invert source latitudes
[2408]268       DO j = 1, nbp_lat
269          lat_src_inv(j) = lat_src(nbp_lat +1 -j)
[1183]270       END DO
271
[1202]272       IF (maxval(ABS(lat_src - io_lat)) < 0.001) THEN
[1183]273          ! Latitudes are the same
274          invert_lat=.FALSE.
[1202]275       ELSE IF (maxval(ABS(lat_src_inv - io_lat)) < 0.001) THEN
[1183]276          ! Inverted source latitudes correspond to model latitudes
277          WRITE(lunout,*) 'latitudes will be inverted for file : ',TRIM(fname)
278          invert_lat=.TRUE.
279       ELSE
280          WRITE(lunout,*) 'Problem in latitudes read from file : ',TRIM(fname)
281          WRITE(lunout,*) 'latitudes in file ', TRIM(fname),' : ', lat_src     
282          WRITE(lunout,*) 'latitudes in model :', io_lat
[2408]283          CALL abort_physic('get_aero_fromfile', 'latitudes do not correspond between file and model',1)
[1183]284       END IF
285
[1319]286
[1179]287! 2) Check if old or new file is avalabale.
288!    New type of file should contain the dimension 'lev'
289!    Old type of file should contain the dimension 'PRESNIVS'
290!****************************************************************************************
291       ierr = nf90_inq_dimid(ncid, 'lev', dimid)
292       IF (ierr /= NF90_NOERR) THEN
293          ! Coordinate axe lev not found. Check for presnivs.
294          ierr = nf90_inq_dimid(ncid, 'PRESNIVS', dimid)
295          IF (ierr /= NF90_NOERR) THEN
296             ! Dimension PRESNIVS not found either
[2408]297             CALL abort_physic('get_aero_fromfile', 'dimension lev or presnivs not in file',1)
[1179]298          ELSE
299             ! Old file found
300             new_file=.FALSE.
301             WRITE(lunout,*) 'Vertical interpolation for ',TRIM(varname),' will not be done'
302          END IF
303       ELSE
304          ! New file found
305          new_file=.TRUE.
306          WRITE(lunout,*) 'Vertical interpolation for ',TRIM(varname),' will be done'
307       END IF
308       
309! 2) Find vertical dimension klev_src
310!****************************************************************************************
[1665]311       CALL check_err( nf90_inquire_dimension(ncid, dimid, len = klev_src),"pb inq dim for PRESNIVS or lev" )
[1179]312       
313     ! Allocate variables depending on the number of vertical levels
[2408]314       ALLOCATE(varmth(nbp_lon,nbp_lat, klev_src), varyear(nbp_lon,nbp_lat, klev_src, 12), stat=ierr)
315       IF (ierr /= 0) CALL abort_physic('get_aero_fromfile', 'pb in allocation 1',1)
[1150]316
[1179]317       ALLOCATE(pt_ap(klev_src), pt_b(klev_src), varktmp(klev_src), stat=ierr)
[2408]318       IF (ierr /= 0) CALL abort_physic('get_aero_fromfile', 'pb in allocation 2',1)
[1150]319
[1179]320! 3) Read all variables from file
321!    There is 2 options for the file structure :
322!    new_file=TRUE  : read varyear, ps, pt_ap and pt_b
323!    new_file=FALSE : read varyear month by month
324!****************************************************************************************
[1150]325
[1179]326       IF (new_file) THEN
[1492]327! ++) Check number of month in file opened
328!**************************************************************************************************
329       ierr = nf90_inq_dimid(ncid, 'TIME',dimid)
[1665]330       CALL check_err( nf90_inquire_dimension(ncid, dimid, len = nbr_tsteps),"pb inq dim TIME" )
[1492]331!       IF (nbr_tsteps /= 12 .AND. nbr_tsteps /= 14) THEN
332       IF (nbr_tsteps /= 12 ) THEN
[2408]333    CALL abort_physic('get_aero_fromfile', 'not the right number of months in aerosol file read (should be 12 for the moment)' &
334                     ,1)
[1492]335       ENDIF
[1150]336
[1179]337! ++) Read the aerosol concentration month by month and concatenate to total variable varyear
338!****************************************************************************************
339          ! Get variable id
[1665]340          CALL check_err( nf90_inq_varid(ncid, TRIM(varname), varid),"pb inq var "//TRIM(varname) )
[1179]341         
342          ! Get the variable
[1665]343          CALL check_err( nf90_get_var(ncid, varid, varyear(:,:,:,:)),"pb get var "//TRIM(varname) )
[1179]344         
[1270]345! ++) Read surface pression, 12 month in one variable
[1179]346!****************************************************************************************
347          ! Get variable id
[1665]348          CALL check_err( nf90_inq_varid(ncid, "ps", varid),"pb inq var ps" )
[1179]349          ! Get the variable
[1665]350          CALL check_err( nf90_get_var(ncid, varid, psurf_glo2D),"pb get var ps" )
[1179]351         
352! ++) Read mass load, 12 month in one variable
353!****************************************************************************************
354          ! Get variable id
[1665]355          CALL check_err( nf90_inq_varid(ncid, "load_"//TRIM(varname), varid) ,"pb inq var load_"//TRIM(varname))
[1179]356          ! Get the variable
[1665]357          CALL check_err( nf90_get_var(ncid, varid, load_glo2D),"pb get var load_"//TRIM(varname) )
[1179]358         
359! ++) Read ap
360!****************************************************************************************
361          ! Get variable id
[1665]362          CALL check_err( nf90_inq_varid(ncid, "ap", varid),"pb inq var ap" )
[1179]363          ! Get the variable
[1665]364          CALL check_err( nf90_get_var(ncid, varid, pt_ap),"pb get var ap" )
[1150]365
[1179]366! ++) Read b
367!****************************************************************************************
368          ! Get variable id
[1665]369          CALL check_err( nf90_inq_varid(ncid, "b", varid),"pb inq var b" )
[1179]370          ! Get the variable
[1665]371          CALL check_err( nf90_get_var(ncid, varid, pt_b),"pb get var b" )
[1150]372
[1179]373! ++) Read p0 : reference pressure
374!****************************************************************************************
375          ! Get variable id
[1665]376          CALL check_err( nf90_inq_varid(ncid, "p0", varid),"pb inq var p0" )
[1179]377          ! Get the variable
[1665]378          CALL check_err( nf90_get_var(ncid, varid, p0),"pb get var p0" )
[1150]379         
[524]380
[1179]381       ELSE  ! old file
[524]382
[1179]383! ++) Read the aerosol concentration month by month and concatenate to total variable varyear
384!****************************************************************************************
[1270]385          DO imth=1, 12
[1179]386             IF (imth.EQ.1) THEN
387                cvar=TRIM(varname)//'JAN'
388             ELSE IF (imth.EQ.2) THEN
389                cvar=TRIM(varname)//'FEB'
390             ELSE IF (imth.EQ.3) THEN
391                cvar=TRIM(varname)//'MAR'
392             ELSE IF (imth.EQ.4) THEN
393                cvar=TRIM(varname)//'APR'
394             ELSE IF (imth.EQ.5) THEN
395                cvar=TRIM(varname)//'MAY'
396             ELSE IF (imth.EQ.6) THEN
397                cvar=TRIM(varname)//'JUN'
398             ELSE IF (imth.EQ.7) THEN
399                cvar=TRIM(varname)//'JUL'
400             ELSE IF (imth.EQ.8) THEN
401                cvar=TRIM(varname)//'AUG'
402             ELSE IF (imth.EQ.9) THEN
403                cvar=TRIM(varname)//'SEP'
404             ELSE IF (imth.EQ.10) THEN
405                cvar=TRIM(varname)//'OCT'
406             ELSE IF (imth.EQ.11) THEN
407                cvar=TRIM(varname)//'NOV'
408             ELSE IF (imth.EQ.12) THEN
409                cvar=TRIM(varname)//'DEC'
410             END IF
411             
412             ! Get variable id
[1665]413             CALL check_err( nf90_inq_varid(ncid, TRIM(cvar), varid),"pb inq var "//TRIM(cvar) )
[1179]414             
415             ! Get the variable
[1665]416             CALL check_err( nf90_get_var(ncid, varid, varmth),"pb get var "//TRIM(cvar) )
[1179]417             
418             ! Store in variable for the whole year
419             varyear(:,:,:,imth)=varmth(:,:,:)
420             
421          END DO
[1150]422         
[1179]423          ! Putting dummy
424          psurf_glo2D(:,:,:) = not_valid
425          load_glo2D(:,:,:)  = not_valid
426          pt_ap(:) = not_valid
427          pt_b(:)  = not_valid
[524]428
[1179]429       END IF
[524]430
[1179]431! 4) Close file 
432!****************************************************************************************
[1665]433       CALL check_err( nf90_close(ncid),"pb in close" )
[1179]434     
[524]435
[2408]436! 5) Transform the global field from 2D(nbp_lon,nbp_lat) to 1D(klon_glo)
[1179]437!****************************************************************************************
438! Test if vertical levels have to be inversed
[782]439
[1179]440       IF ((pt_b(1) < pt_b(klev_src)) .OR. .NOT. new_file) THEN
[1321]441!          WRITE(lunout,*) 'Vertical axis in file ',TRIM(fname), ' needs to be inverted'
442!          WRITE(lunout,*) 'before pt_ap = ', pt_ap
443!          WRITE(lunout,*) 'before pt_b = ', pt_b
[1179]444         
445          ! Inverse vertical levels for varyear
[1270]446          DO imth=1, 12
[1179]447             varmth(:,:,:) = varyear(:,:,:,imth) ! use varmth temporarly
448             DO k=1, klev_src
[2408]449                DO j=1, nbp_lat
450                   DO i=1, nbp_lon
[1179]451                      varyear(i,j,k,imth) = varmth(i,j,klev_src+1-k)
452                   END DO
453                END DO
454             END DO
455          END DO
456           
457          ! Inverte vertical axes for pt_ap and pt_b
458          varktmp(:) = pt_ap(:)
459          DO k=1, klev_src
460             pt_ap(k) = varktmp(klev_src+1-k)
461          END DO
[782]462
[1179]463          varktmp(:) = pt_b(:)
464          DO k=1, klev_src
465             pt_b(k) = varktmp(klev_src+1-k)
466          END DO
467          WRITE(lunout,*) 'after pt_ap = ', pt_ap
468          WRITE(lunout,*) 'after pt_b = ', pt_b
[524]469
[1179]470       ELSE
471          WRITE(lunout,*) 'Vertical axis in file ',TRIM(fname), ' is ok, no vertical inversion is done'
472          WRITE(lunout,*) 'pt_ap = ', pt_ap
473          WRITE(lunout,*) 'pt_b = ', pt_b
474       END IF
[524]475
[1183]476!     - Invert latitudes if necessary
[1270]477       DO imth=1, 12
[1183]478          IF (invert_lat) THEN
479
480             ! Invert latitudes for the variable
481             varmth(:,:,:) = varyear(:,:,:,imth) ! use varmth temporarly
482             DO k=1,klev_src
[2408]483                DO j=1,nbp_lat
484                   DO i=1,nbp_lon
485                      varyear(i,j,k,imth) = varmth(i,nbp_lat+1-j,k)
[1183]486                   END DO
487                END DO
488             END DO
489             
490             ! Invert latitudes for surface pressure
491             vartmp(:,:) = psurf_glo2D(:,:,imth)
[2408]492             DO j=1,nbp_lat
493                DO i=1,nbp_lon
494                   psurf_glo2D(i,j,imth)= vartmp(i,nbp_lat+1-j)
[1179]495                END DO
496             END DO
[1183]497             
498             ! Invert latitudes for the load
499             vartmp(:,:) = load_glo2D(:,:,imth)
[2408]500             DO j=1,nbp_lat
501                DO i=1,nbp_lon
502                   load_glo2D(i,j,imth)= vartmp(i,nbp_lat+1-j)
[1183]503                END DO
[1179]504             END DO
[1183]505          END IF ! invert_lat
506             
[1179]507          ! Do zonal mead at poles and distribut at whole first and last latitude
508          DO k=1, klev_src
509             npole=0.  ! North pole, j=1
[2408]510             spole=0.  ! South pole, j=nbp_lat       
511             DO i=1,nbp_lon
[1179]512                npole = npole + varyear(i,1,k,imth)
[2408]513                spole = spole + varyear(i,nbp_lat,k,imth)
[1179]514             END DO
[2408]515             npole = npole/REAL(nbp_lon)
516             spole = spole/REAL(nbp_lon)
[1179]517             varyear(:,1,    k,imth) = npole
[2408]518             varyear(:,nbp_lat,k,imth) = spole
[1179]519          END DO
520       END DO ! imth
[1183]521       
[1270]522       ALLOCATE(varyear_glo1D(klon_glo, klev_src, 12), stat=ierr)
[2408]523       IF (ierr /= 0) CALL abort_physic('get_aero_fromfile', 'pb in allocation 3',1)
[1179]524       
525       ! Transform from 2D to 1D field
526       CALL grid2Dto1D_glo(varyear,varyear_glo1D)
527       CALL grid2Dto1D_glo(psurf_glo2D,psurf_glo1D)
528       CALL grid2Dto1D_glo(load_glo2D,load_glo1D)
[1249]529
530    ELSE
531      ALLOCATE(varyear_glo1D(0,0,0))       
532    END IF ! is_mpi_root .AND. is_omp_root
533
[1189]534!$OMP BARRIER
[1179]535 
536! 6) Distribute to all processes
537!    Scatter global field(klon_glo) to local process domain(klon)
538!    and distribute klev_src to all processes
539!****************************************************************************************
[524]540
[1179]541    ! Distribute klev_src
542    CALL bcast(klev_src)
[524]543
[1179]544    ! Allocate and distribute pt_ap and pt_b
545    IF (.NOT. ASSOCIATED(pt_ap)) THEN  ! if pt_ap is allocated also pt_b is allocated
546       ALLOCATE(pt_ap(klev_src), pt_b(klev_src), stat=ierr)
[2408]547       IF (ierr /= 0) CALL abort_physic('get_aero_fromfile', 'pb in allocation 4',1)
[1179]548    END IF
549    CALL bcast(pt_ap)
550    CALL bcast(pt_b)
[524]551
[1179]552    ! Allocate space for output pointer variable at local process
553    IF (ASSOCIATED(pt_year)) DEALLOCATE(pt_year)
[1270]554    ALLOCATE(pt_year(klon, klev_src, 12), stat=ierr)
[2408]555    IF (ierr /= 0) CALL abort_physic('get_aero_fromfile', 'pb in allocation 5',1)
[524]556
[1179]557    ! Scatter global field to local domain at local process
558    CALL scatter(varyear_glo1D, pt_year)
[1270]559    CALL scatter(psurf_glo1D, psurf_out)
560    CALL scatter(load_glo1D,  load_out)
[524]561
[1179]562! 7) Test for negative values
563!****************************************************************************************
564    IF (MINVAL(pt_year) < 0.) THEN
565       WRITE(lunout,*) 'Warning! Negative values read from file :', fname
566    END IF
[524]567
[1179]568  END SUBROUTINE get_aero_fromfile
[524]569
570
[1665]571  SUBROUTINE check_err(status,text)
[1179]572    USE netcdf
[2408]573    USE print_control_mod, ONLY: lunout
[1179]574    IMPLICIT NONE
[524]575
[1179]576    INTEGER, INTENT (IN) :: status
[1665]577    CHARACTER(len=*), INTENT (IN), OPTIONAL :: text
[524]578
[1179]579    IF (status /= NF90_NOERR) THEN
[1665]580       WRITE(lunout,*) 'Error in get_aero_fromfile, netcdf error code = ',status
581       IF (PRESENT(text)) THEN
582          WRITE(lunout,*) 'Error in get_aero_fromfile : ',text
583       END IF
[2408]584       CALL abort_physic('get_aero_fromfile',trim(nf90_strerror(status)),1)
[1179]585    END IF
[524]586
[1179]587  END SUBROUTINE check_err
588
589
590END MODULE readaerosol_mod
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